🪶 A big thank you to Mount Diablo Bird Alliance for their generous support of IBP during these uncertain times when many of our projects with our federal partners have been cancelled. We are grateful for you!

🪶 Are you a fan of our Unsolicited Bird Facts? Do you force avian trivia on your friends? You need this mug! Plus, your purchase will benefit a great non-profit that does research to support effective conservation of #birds and other wildlife. www.bonfire.com/unso...

Way to go @dane2.bsky.social ! You are our winner!

🪶 The answer to this week's #BitOBird quiz is....Montezuma Quail! Congrats to our winner! Don't worry if you missed it this week, we'll post another quiz next Monday at 11am ET/10am CT/9am MT/8am PT.

Here's the clue for this week's #BitOBird game! Can you ID this bird from just this little bit? (Note: we stick to North American birds, if not we’ll tell you.) 1st to reply w/ the correct answer gets bird nerd bragging rights. If you're stumped, we'll post the answer in 2 hrs 🪶

🪶 Happy Hall-🦉-ween! How do you like my costume?

Our Motus Audio recorders are picking up some unusual migratory activity this Halloween night... Scarlet Tanagers and Rose-breasted Grosbeaks passing over our night flight call microphones! 🎃🕊️ Keep your ears to the skies Natalie and Madison!

Did you ask for a bird fact? No, but you're getting one whether you like it or not. 🪶

🪶 The answer to this week's #BitOBird quiz is....Rose-breasted Grosbeak! Congrats to our winner @maillesmith9.bsky.social ! Don't worry if you missed it this week, we'll post another quiz next Monday at 11am ET/10am CT/9am MT/8am PT.

Here's the clue for this week's #BitOBird game! Can you ID this bird from just this ODD bit? (Note: we stick to North American birds, if not we’ll tell you.) 1st to reply w/ the correct answer gets bird nerd bragging rights. If you're stumped, we'll post the answer in 2 hrs 🪶

Did you ask for a bird fact? No, but you're getting one whether you like it or not. 🪶

🪶🌎🧪 New research in Journal of Raptor Research on age of first breeding in raptors by Michael Stewart of Texas A&M, and reasearchers from NM State U. and IBP's own Peter Pyle. Check it out here=> birdpop.org/docs/pub...

Omg look at the outside 18 minutes ago!!!! 😭 😭 Zero edits. Straight from the camera. 🪶

Halloween costume ideas for birders.

A reminder to all scientists & data viz people 🧪: It's Spooky Science Time. Adjust your models to use the paranormal distribution 👻from now until November 1st.

🪶 It's Wednesday! Have yourself a fancy woodpecker! This photo of a Golden-fronted Woodpecker peering into prickly pear flowers is by Peter E. Hart.

🪶 IBP is proud to be a Founding Partner of California Bird Atlas (@californiabirdatlas) — a new nonprofit launching the first-ever statewide effort to map CA's breeding birds. (1/2)

🌿 Fully funded #PhD alert! Are you curious about how species shape each other’s evolution? 🦋🌸 We’re looking for a student to study the co-evolution of insects & angiosperms in the Amazon using a multi-species mechanistic model. 🔗 centa.ac.uk/studentship/... #Evolution #Biodiversity #NERC #CENTA

🪶 The answer to this week's #BitOBird quiz is....Brown Creeper! Congrats to our winner @dane2.bsky.social ! He's done it again! Don't worry if you missed it this week, we'll post another quiz next Monday at 11am ET/10am CT/9am MT/8am PT.

Here's the clue for this week's #BitOBird game! Can you ID this bird from just this little bit? (Note: we stick to North American birds, if not we’ll tell you.) 1st to reply w/ the correct answer gets bird nerd bragging rights. If you're stumped, we'll post the answer in 2 hrs 🪶

🪶 Hope you have a great weekend.

Did you ask for a bird fact? No, but you're getting one whether you like it or not. 🪶

Arthropod Photo of the Week: October 15, 2025 Tangerine furry-legs moth Acraga moorei Lepidoptera: Dalceridae By Tom Myers, Kentucky, USA #arthropodPOTW

🪶 Get a load of these Lewis's Woodpeckers. In the late summer/early fall, Lewis's Woodpeckers form nomadic flocks that can contain dozens of these striking red and green birds.

Spooky bird stories. Last year's Halloween comic.

🪶 In the Ojibwe language, the word for chickadee is gijigijigaaneshiinh. To hear it pronounced (it sounds really cool) visit ojibwe.lib.umn.edu/m...

🪶 The answer to this week's #BitOBird quiz is....Bushtit! Congrats to our winner @vicensvc.bsky.social ! Don't worry if you missed it this week, we'll post another quiz next Monday at 11am ET/10am CT/9am MT/8am PT.

For oaky-dokey on tumblr, another #Waymakers donor, a Red-winged Blackbird! This female has herself a cotton candy wonderland in the form of downy white cattails in autumn, lucky her! Thanks all for your patience as I wrap these up! 🎨🪶 #SciArt #BirdArt

Here's the clue for this week's #BitOBird! Can you ID this bird from just this little bit? (Note: we stick to N. American birds, if not we’ll tell you.) 1st to reply w/ the correct answer gets bird nerd bragging rights. If you're stumped, we'll post the answer in 2 hrs 🪶 CHECK ALT TEXT FOR CLUE!!

Moist owlettes. 🪶

May I offer you a borb in these trying times? 🪶

🪶 Not a scratch 'n sniff!

"WATCH THIS TONGUE ACTION" - Brett Banditelli, talking about birds

🪶🌎🧪 New research on birds and wildfire by IBP and our partners at NPS and UCLA. You can read about it here: birdpop.org/pages/bl... (@mwtingley.bsky.social)

Did you ask for a bird fact? No, but you're getting one whether you like it or not. 🪶

This Brian Stokes person at at the University of Austin must be sitting on more pictures of this incredible hybrid green blue jay. Someone get him over here! 😭 🪶

🪶🌎🧪 On September 28th, Rota TMAPS banders Greta Walser and Jason Talbott observed a color-banded Whimbrel on the lawn of a church directly across from their home. (1/4)

🪶 The answer to this week's #BitOBird quiz is....Redpoll! Congrats to our winner @waxwing.bsky.social ! Don't worry if you missed it this week, we'll post another quiz next Monday at 11am ET/10am CT/9am MT/8am PT.

🦅 Bearded vultures as time capsules Researchers found centuries-old artifacts and bones in ancient bearded vulture nests in Spain, revealing how these birds preserve ecological and cultural history. 🔗 esajournals.onlinelibrary.wiley.com/doi/10.1002/... #SciComm #Ecology 🧪

Here's the clue for this week's #BitOBird game! Can you ID this bird from just this little bit? (Note: we stick to North American birds, if not we’ll tell you.) 1st to reply w/ the correct answer gets bird nerd bragging rights. If you're stumped, we'll post the answer in 2 hrs 🪶

🪶Hope you have a chance to get outside this weekend! This photo was taken by Wren Wagenbach who was on our backcountry bird monitoring crew in the Pacific NW national parks this summer. (1/2)

It does almost sound like a cricket chirp or something akin to that youtu.be/tQJCQX_MWJM?...

Did you ask for a bird fact? No, but you're getting one whether you like it or not. 🪶

🪶 If you are able, you donate here: birdpop.org/pages/do... We lost roughly $1 million in funding without warning. Projects cancelled included all of our bird monitoring work for the National Park Service & projects w/ the Bureau of Land Management on Gunnison's Sage-Grouse, Pinyon Jays & more. 1/4

Male Black-crested Coquette at @tapirvalley.bsky.social #CostaRica #birds #nature #hummingbirds

🪶 We've posted this before, but there are probably a lot of people who could use it today. Take a minute to breathe with a Swainson's Thrush.

🪶 What cool birds or behaviors are you seeing these days?

🪶 The answer to this week's #BitOBird quiz is....Sharp-shinned Hawk! This was a tricky one for sure. The folks who came closest were @cordycepswitch.bsky.social and @edgaillard.bsky.social. Don't worry if you missed it this week, we'll post another next Monday at 11am ET/10am CT/9am MT/8am PT.

Here's the clue for this week's #BitOBird game! Can you ID this bird from just this little bit? (Note: we stick to North American birds, if not we’ll tell you.) 1st to reply w/ the correct answer gets bird nerd bragging rights. If you're stumped, we'll post the answer in 2 hrs 🪶